1. Department of Speech Therapy, Rehabilitation College, Tehran University of Medical Science, Tehran, Iran
2. Department of Psychiatry and Behavioral Sciences, Stanford School of Medicine, Stanford University, Palo Alto, Californi, USA
3. Institute for Cognitive and Brain Sciences, Shahid Beheshti University GC, Tehran, Iran
4. Department of Biostatistics and Epidemiology, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran